Sign frame



FIG. 1 is a front elevational view of a sign frame, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a right side perspective view thereof;

FIG. 6 is a sectional view taken along line 6--6 of FIG. 1;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 1;

FIG. 8 is a rear elevational view thereof. 

The ornamental design for a sign frame, substantially as shown and described. 